Effects of preparation method on oxygen permeation properties of SrFeCo0.5Ox membrane

M. Ikeguchi, Y. Yoshino, K. Kanie, M. Nomura, E. Kikuchi, M. Matsukata

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Abstract

It was investigated that the effects of preparation methods and conditions for SrFeCo0.5Ox dense membrane on their oxygen permeability. Three different methods, a solid-state reaction method, an evaporation-to-dryness method, and a combined citrate and EDTA complexing method, were applied for the preparation of parent powder. The oxygen flux through membrane at 900 °C was increased in the order listed above. The oxygen flux could be greatly improved by repeated calcination and grinding of parent powder. The membrane sintered at a temperature as high as 1200 °C showed a higher oxygen flux (0.22 cm3 (STP)/cm2 min).

Original languageEnglish
Pages (from-to)313-318
Number of pages6
JournalSeparation and Purification Technology
Volume32
Issue number1-3
DOIs
Publication statusPublished - 2003 Jul 1

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Keywords

  • Ceramics
  • Membrane
  • Oxygen permeation
  • Preparation method
  • SrFeCoO

ASJC Scopus subject areas

  • Analytical Chemistry
  • Filtration and Separation

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